// n位随机数生成
function randomNum(n) {
let sString = "";
let strings = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
for (i = 0; i < n; i++) {
ind = Math.floor(Math.random() * strings.length);
sString += strings.charAt(ind);
}
return sString
}
用法:
randomNum(16)